import java.util.HashMap;
import java.util.Map;

/**
 * @author 0624 苏昳云 Esther
 * @date 2021/9/27 12:27
 */

public class MapSYYZeroSixTwoFour {
    public static void main (String [] args){
        int [] arr=new int[]{1,2,3,2,4,5,7,10,1,5,3,5,8,9,4,5,2,3};

        Map<Integer,String> map=new HashMap<Integer,String>();
        for (int i = 0; i <18 ; i++) {
            map.put(arr[i],"");
        }
        for (Integer o : map.keySet()){
            System.out.println("key值" + o );
        }

    }


}
